Yes. I did some research on this and the past. Look up bipolar and cognitive decline and brain damage and you’ll get a better idea. It can reduce gray matter in the brain (which is important for controlling memory, movement, and emotion functioning). So trying to improve gray matter may help if you’re experiencing these symptoms- meditation, lithium, exercise (moderate intensity cardio and high proprioception movements), yoga, working memory skills training, increase BDNF (brain derived neurotrophic factor)- exercise and intermittent fasting…